1) Switch to boost hashtable support from wx macros which did not handle std::string.

This required the additional compiler command line option "-std=c++0x".

2) Switch to unique_ptr from auto_ptr which is C++ deprecated.

3) Change to new English layer names per mailing list discussion, see class_board.cpp.

4) When saving to *.kicad_pcb or *.kicad_mod, identify opportunities to use wildcard
   layer sets, for pads so far.

5) Switch to two std::string hashtables in pcb_parser.cpp, away from one wxString based one
   for layer names and layer sets mapping. One hashtable holds the mask, the other the index.
   Layer sets are only in the mask table.

6) Move "LOCALE_IO toggle" into PCB_IO::Format() since it is a public API function and
   caller should find it as convenient as possible to use.  LOCALE_IO should handle
   nesting OK in the case where public Format() is called from one of the Footprint*()
   functions.

7) Drop support for "export module to new library".  Creating new libraries will have to
   be handled in concert with library table entries, and we've talked recently about
   creating a better footprint library manager, one that resides in a DLL/DSO.  So
   this kind of functionality needs to be handled in there in the near future.

8) Change name of exported PCB_IO module/footprint to *.kicad_mod and not *.emp.

scripting/python_scripting.cpp

@@ -77,12 +77,13 @@ static void swigAddBuiltin()
     int i = 0;
 
     /* discover the length of the pyimport inittab */
-    while( PyImport_Inittab[i].name )	i++;
+    while( PyImport_Inittab[i].name )
+        i++;
 
     /* allocate memory for the python module table */
     SwigImportInittab = (struct _inittab*)  malloc(
                         sizeof(struct _inittab)*(i+EXTRA_PYTHON_MODULES));
-    
+
     /* copy all pre-existing python modules into our newly created table */
     i=0;
     while( PyImport_Inittab[i].name )
@@ -92,10 +93,11 @@ static void swigAddBuiltin()
     }
 }
 
-/* Function swigAddModules 
+
+/* Function swigAddModules
  * adds the internal modules we offer to the python scripting, so they will be
  * available to the scripts we run.
- * 
+ *
  */
 
 static void swigAddModules()
@@ -110,7 +112,7 @@ static void swigAddModules()
 
 /* Function swigSwitchPythonBuiltin
  * switches python module table to our built one .
- * 
+ *
  */
 
 static void swigSwitchPythonBuiltin()
@@ -119,35 +121,36 @@ static void swigSwitchPythonBuiltin()
 }
 
 /* Function pcbnewInitPythonScripting
- * Initializes all the python environment and publish our interface inside it 
+ * Initializes all the python environment and publish our interface inside it
  * initializes all the wxpython interface, and returns the python thread control structure
- * 
+ *
  */
 
 PyThreadState *g_PythonMainTState;
 
 bool pcbnewInitPythonScripting()
 {
- 
+
     swigAddBuiltin();           // add builtin functions
     swigAddModules();           // add our own modules
     swigSwitchPythonBuiltin();  // switch the python builtin modules to our new list
 
     Py_Initialize();
 
-    #ifdef KICAD_SCRIPTING_WXPYTHON
+#ifdef KICAD_SCRIPTING_WXPYTHON
     PyEval_InitThreads();
 
     // Load the wxPython core API.  Imports the wx._core_ module and sets a
     // local pointer to a function table located there.  The pointer is used
     // internally by the rest of the API functions.
-    if ( ! wxPyCoreAPI_IMPORT() ) {
+    if( ! wxPyCoreAPI_IMPORT() )
+    {
         wxLogError(wxT("***** Error importing the wxPython API! *****"));
         PyErr_Print();
         Py_Finalize();
         return false;
-    }        
-    
+    }
+
     // Save the current Python thread state and release the
     // Global Interpreter Lock.
 
@@ -156,7 +159,8 @@ bool pcbnewInitPythonScripting()
     // load pcbnew inside python, and load all the user plugins, TODO: add system wide plugins
 
     PY_BLOCK_THREADS( blocked );
-    #endif
+#endif
+
     PyRun_SimpleString( "import sys\n"
                         "sys.path.append(\".\")\n"
                         "import pcbnew\n"
@@ -173,29 +177,28 @@ void pcbnewFinishPythonScripting()
     wxPyEndAllowThreads(g_PythonMainTState);
 #endif
     Py_Finalize();
-
 }
 
+
 #ifdef KICAD_SCRIPTING_WXPYTHON
 
-void RedirectStdio() 
+void RedirectStdio()
 {
     // This is a helpful little tidbit to help debugging and such.  It
     // redirects Python's stdout and stderr to a window that will popup
     // only on demand when something is printed, like a traceback.
-    const char* python_redirect = 
+    const char* python_redirect =
 "import sys\n\
 import wx\n\
 output = wx.PyOnDemandOutputWindow()\n\
 c sys.stderr = output\n";
-    
+
     PY_BLOCK_THREADS( blocked );
     PyRun_SimpleString( python_redirect );
     PY_UNBLOCK_THREADS( blocked );
 }
 
 
-
 wxWindow* CreatePythonShellWindow(wxWindow* parent)
 {
 
@@ -228,7 +231,7 @@ def makeWindow(parent):\n\
     PY_BLOCK_THREADS( blocked );
 
     // Now make a dictionary to serve as the global namespace when the code is
-    // executed.  Put a reference to the builtins module in it.  
+    // executed.  Put a reference to the builtins module in it.
 
     PyObject* globals = PyDict_New();
     PyObject* builtins = PyImport_ImportModule( "__builtin__" );
@@ -239,7 +242,7 @@ def makeWindow(parent):\n\
     result = PyRun_String( pycrust_panel, Py_file_input, globals, globals );
 
     // Was there an exception?
-    if ( !result ) 
+    if( !result )
     {
         PyErr_Print();
         PY_UNBLOCK_THREADS( blocked );
@@ -258,19 +261,22 @@ def makeWindow(parent):\n\
 
     PyObject* arg = wxPyMake_wxObject( parent, false );
     wxASSERT( arg != NULL );
+
     PyObject* tuple = PyTuple_New( 1 );
     PyTuple_SET_ITEM( tuple, 0, arg );
+
     result = PyEval_CallObject( func, tuple );
 
     // Was there an exception?
-    if ( !result )
+    if( !result )
         PyErr_Print();
-    else 
+    else
     {
         // Otherwise, get the returned window out of Python-land and
         // into C++-ville...
         bool success = wxPyConvertSwigPtr(result, (void**)&window, _T("wxWindow") );
         (void)success;
+
         wxASSERT_MSG(success, _T("Returned object was not a wxWindow!") );
         Py_DECREF(result);
     }
@@ -286,9 +292,3 @@ def makeWindow(parent):\n\
 }
 #endif
 
-
-
-
-
-
-